US6692272B2 - High speed electrical connector - Google Patents
High speed electrical connector Download PDFInfo
- Publication number
- US6692272B2 US6692272B2 US09/990,794 US99079401A US6692272B2 US 6692272 B2 US6692272 B2 US 6692272B2 US 99079401 A US99079401 A US 99079401A US 6692272 B2 US6692272 B2 US 6692272B2
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- United States
- Prior art keywords
- electrical connector
- conductors
- differential signal
- electrical
- conductor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
- H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/941—Crosstalk suppression
Definitions
- the invention relates in general to electrical connectors. More particularly, the invention relates to a high speed connector for connecting between two electrical devices.
- connectors are desired that are capable of high speed communications.
- Most connectors focus on shielding to reduce cross talk, thereby allowing higher speed communication.
- focusing on shielding addresses only one aspect of communication speed.
- the invention is directed to a high speed electrical connector wherein signal conductors of a differential signal pair have a substantially constant differential impedance along the length of the differential signal pair.
- an electrical connector comprising a first conductor having a first length and a second conductor having a second length.
- the impedance between the first and second conductor is substantially constant along the first and second length allowing high speed communications through the connector.
- the first and second conductors may form a differential signal pair having a differential impedance or a single ended pair having a single ended impedance.
- the first conductor comprises a first edge along the length of the first conductor and the second conductor comprises a second edge along the length of the conductor.
- a gap between the first edge and the second edge is substantially constant to maintain a substantially constant impedance.
- the electrical connector comprises a plurality of ground conductors and a plurality of differential signal pairs that may be arranged in either rows or columns.
- a first portion of the first conductor is disposed in a first material having a first dielectric constant and a second portion of the first conductor is disposed in a second material having a second dielectric constant.
- a first portion of the second conductor is disposed in the first material and a second portion of the second conductor is disposed in the second material.
- the gap between the first conductor and the second conductor in the first material is a first distance and the gap between the first conductor and the second conductor in the second material is a second distance such that the impedance is substantially constant along the length of the conductors.
- a method for making an electrical connector.
- a plurality of conductors are placed into a die blank, each conductor having a predefined substantially constant gap between it and an adjacent conductor. Material is injected into the die blank to form a connector frame.
- FIG. 1 is a perspective view of an illustrative right angle electrical connector, in accordance with the invention.
- FIG. 2 is a side view of the right angle electrical connector of FIG. 1;
- FIG. 3 is a side view of a portion of the right angle electrical connector of FIG. 1 taken along line A—A;
- FIG. 4 is a top view of a portion of the right angle electrical connector of FIG. 1 taken along line B—B;
- FIG. 5 is a side diagrammatic view of conductors in an illustrative right angle electrical connector, in which the conductors are arranged in columns, in accordance with the invention
- FIG. 6 is a side diagrammatic view of conductors in an illustrative right angle electrical connector, in which the conductors are arranged in rows, in accordance with the invention
- FIG. 7 is a top cut-away view of conductors of the right angle electrical connector of FIG. 1 taken along line B—B;
- FIG. 8 is a side cut-away view of a portion of the right angle electrical connector of FIG. 1 taken along line A—A;
- FIG. 9 is a perspective view of another illustrative conductor of the right angle electrical connector of FIG. 1;
- FIG. 10 is a perspective view of another illustrative portion of the right angle electrical connector of FIG. 1;
- FIG. 11 is a perspective view of a portion of another illustrative right angle electrical connector, in accordance with the invention.
- FIG. 12 is a perspective view of another illustrative right angle electrical connector, in accordance with the invention.
- FIG. 13 is a perspective view of an alternative section of the illustrative electrical connector of FIG. 1;
- FIG. 14 is a flow diagram of a method for making a connector in accordance with the invention.
- the invention is directed to a high speed electrical connector wherein signal conductors of a differential signal pair have a substantially constant differential impedance along the length of the differential signal pair.
- FIG. 1 is a perspective view of a right angle electrical connector, in accordance with the an embodiment of the invention.
- a connector 100 comprises a first section 101 and a second section 102 .
- First section 101 is electrically connected to a first electrical device 110 and second section 102 is electrically connected to a second electrical device 112 .
- Such connections may be solder connections, solder ball grid array connections, interference fit connections, and the like.
- Such connections are conventional connections having conventional connection spacing between connection pins; however, such connections may have other spacing between connection pins.
- First section 101 and second section 102 can be electrically connected together, thereby electrically connecting first electrical device 110 to second electrical device 112 .
- first section 101 comprises a plurality of modules 105 .
- Each module 105 comprises a column of conductors 130 .
- first section 101 comprises six modules 105 and each module 105 comprises six conductors 130 ; however, any number of modules 105 and conductors 130 may be used.
- Second section 102 comprises a plurality of modules 106 .
- Each module 106 comprises a column of conductors 140 .
- second section 102 comprises six modules 106 and each module 106 comprises six conductors 140 ; however, any number of modules 106 and conductors 140 may be used.
- FIG. 2 is a side view of connector 100 .
- each module 105 comprises a plurality of conductors 130 secured in a frame 150 .
- Each conductor 130 comprises a connection pin 132 extending from frame 150 for connection to first electrical device 110 , a blade 136 extending from frame 150 for connection to second section 102 , and a conductor segment 134 connecting connection pin 132 to blade 136 .
- Each module 106 comprises a plurality of conductors 140 secured in frame 152 .
- Each conductor 140 comprises a contact interface 141 and a connection pin 142 .
- Each contact interface 141 extends from frame 152 for connection to a blade 136 of first section 101 .
- Each contact interface 140 is also electrically connected to a connection pin 142 that extends from frame 152 for electrical connection to second electrical device 112 .
- Each module 105 comprises a first hole 156 and a second hole 157 for alignment with an adjacent module 105 . In this manner, multiple columns of conductors 130 may be aligned.
- Each module 106 comprises a first hole 147 and a second hole 148 for alignment with an adjacent module 106 . In this manner, multiple columns of conductors 140 may be aligned.
- Module 105 of connector 100 is shown as a right angle module.
- a set of first connection pins 132 is disposed on a first plane (e.g., coplanar with first electrical device 110 ) and a set of second connection pins 142 is disposed on a second plane (e.g., coplanar with second electrical device 112 ) perpendicular to the first plane.
- first plane e.g., coplanar with first electrical device 110
- second connection pins 142 is disposed on a second plane (e.g., coplanar with second electrical device 112 ) perpendicular to the first plane.
- each conductor 130 turns a total of about ninety degrees (a right angle) to connect between electrical devices 110 and 112 .
- FIG. 3 is a side view of two modules of connector 100 taken along line A—A and FIG. 4 is a top view of two modules of connector 100 taken along line B—B.
- each blade 136 is disposed between two single beam contacts 149 of contact interface 141 , thereby providing electrical connection between first section 101 and second section 102 and described in more detail below.
- Connection pins 132 are disposed proximate to the centerline of module 105 such that connection pins 132 may be mated to a device having conventional connection spacing.
- Connection pins 142 are disposed proximate to the centerline of module 106 such that connection pins 142 may be mated to a device having conventional connection spacing.
- Connection pins may be disposed at an offset from the centerline of module 106 if such connection spacing is supported by the mating device. Further, while connection pins are illustrated in the Figures, other connection techniques are contemplated such as, for example, solder balls and the like.
- first section 101 of illustrative connector 100 comprises six columns and six rows of conductors 130 .
- Conductors 130 may be either signal conductors S or ground conductors G.
- each signal conductor S is employed as either a positive conductor or a negative conductor of a differential signal pair; however, a signal conductor may be employed as a conductor for single ended signaling.
- conductors 130 may be arranged in either columns or rows.
- FIG. 5 is a side diagrammatic view of conductors 130 of a connector 100 ′, in which conductors 130 are arranged in columns.
- each column 501 - 506 comprises, in order from top to bottom, a first differential signal pair, a first ground conductor, a second differential signal pair, and a second ground conductor.
- first column 501 comprises, in order from top to bottom, a first differential signal pair S 1 (comprising signal conductors S 1 + and S 1 ⁇ ), a first ground conductor G, a second differential signal pair S 7 , and a second ground conductor G.
- Rows 513 and 516 comprise all ground conductors.
- Rows 511 - 512 comprise differential signal pairs S 1 through S 6 and rows 514 - 515 comprise differential signal pairs S 7 through S 12 . As can be seen, in this embodiment, arrangement into columns provides twelve differential signal pairs. Further, because there are no specialized ground contacts in the system, all of the interconnects are desirably substantially identical.
- communication performance may be further increased by offsetting a column from an adjacent column.
- each odd column 501 , 503 , 505 may be offset from adjacent even columns 502 , 504 , 506 .
- the amount of offset may be a half pitch, a full pitch, or some other pitch factor.
- Offsetting column 501 by a full pitch for example, locates conductor S 1 ⁇ proximate to S 2 + rather that S 2 ⁇ . Such offsetting may improve communication performance, however, such offsetting decreases conductor density.
- FIG. 6 is a side diagrammatic view of conductors 130 of a connector 100 ′′, in which conductors 130 are arranged into rows.
- rows 601 - 606 comprise a repeating sequence of, two ground conductors and a differential signal pair.
- first row 611 comprises, in order from left to right, two ground conductors G, a differential signal pair S 1 , and two ground conductors G.
- Row 612 comprises in order from left to right, a differential signal pair S 2 , two ground conductors G, and a differential signal pair S 3 .
- arrangement into rows provides nine differential signal pairs. Again, all interconnects are desirably substantially identical, therefore, a specialized ground contact is not required.
- arrangement into columns may have a higher density of signal conductors than arrangement into rows.
- conductors within a differential signal pair have different lengths, and therefore, such differential signal pairs may have intra-pair skew.
- arrangements into both rows and columns may have inter-pair skew because of the different conductor lengths of different differential signal pairs. Selection between columns and rows depends, therefore, on the particular application.
- each differential signal pair Sx has a differential impedance Z between the positive conductor Sx+ and negative conductor Sx ⁇ of the differential signal pair.
- Differential impedance is defined as the impedance existing between two signal conductors of the same differential signal pair, at a particular point along the length of the differential signal pair. It is desired to control differential impedance Z to match the impedance of electrical devices 110 , 112 . Matching differential impedance Z to the impedance of electrical devices 110 , 112 minimizes signal reflection and/or system resonance that can limit overall system bandwidth. Further it is desired to control the differential impedance Z such that it is substantially constant along the length of the differential signal pair i.e., that each differential signal pair has a substantially consistent differential impedance profile.
- the differential impedance profile can be controlled by proper positioning of conductors S+, S ⁇ , and G. Specifically, differential impedance is determined by the proximity of an edge of signal conductor S to an adjacent ground and by the gap D between edges of signal conductors S within a differential signal pair.
- the differential signal pair S 6 comprising signal conductors S 6 + and S 6 ⁇
- the differential signal pair S 12 is located adjacent to two ground conductors G, one in row 513 and one in row 516 .
- Conventional connectors include two ground conductors adjacent to each differential signal pair to minimize impedance matching problems. Removing one of the ground conductors typically leads to impedance mismatches that reduce communications speed.
- the present invention compensates for the lack of one adjacent ground conductor by reducing the gap between the differential signal pair conductors with only one adjacent ground conductor.
- signal conductors S 6 + and S 6 ⁇ are located a distance D1 apart from each other, whereas, signal conductors S 12 + and S 12 ⁇ are located a larger distance D2 apart from each other.
- the distances may be controlled by making the widths of signal conductors S 6 + and S 6 ⁇ wider than the widths of signal conductors S 12 + and S 12 ⁇ .
- single ended impedance is controlled by proper positioning of conductors S and G. Specifically, single ended impedance is determined by the gap D between signal conductor S and an adjacent ground. Single ended impedance is defined as the impedance existing between a signal conductor and ground, at a particular point along the length of a single ended signal conductor.
- the present invention may also compensate for the lack of an adjacent ground conductor in the connector of FIG. 6 by reducing the gap between the differential a signal pair conductor and a proximate ground conductor. That is, in the illustrative connector 100 ′′, signal conductor S 1 + is located a distance D3 apart from the proximate ground conductor G, whereas, signal conductors S 4 + is located a larger distance D4 apart the proximate ground conductor. The distances may be controlled by varying the widths of signal conductors S and ground conductors G.
- the gap should be controlled within several thousandths of an inch to maintain acceptable differential impedance control for high bandwidth systems. Gap variations beyond several thousandths may cause unacceptable variation in the impedance profile; however, the acceptable variation is dependent on the speed desired, the error rate acceptable, and other design factors.
- conductors 130 have a rectangular cross section; however, conductors 130 may be any shape.
- conductors 130 have a high aspect ratio of width to thickness to facilitate manufacturing. The particular aspect ratio may be selected based on various design parameters including the desired communication speed, connection pin layout, and the like.
- differential impedance is affected by the dielectric properties of material proximate to the conductors. While air is a desirable dielectric for reducing cross talk, frame 150 and frame 152 may comprise a polymer, a plastic, or the like to secure conductors 130 and 140 so that desired gap tolerances may be maintained. Therefore, conductors 130 and 140 are disposed both in air and in a second material (e.g., a polymer) having a second dielectric property. Therefore, to provide a substantially constant differential impedance profile, in the second material, the spacing between conductors of a differential signal pair may vary.
- a second material e.g., a polymer
- FIG. 7 illustrates the change in spacing between conductors in rows as conductors pass from being surrounded by air to being surrounded by frame 150 .
- the distance between conductor S+ and S ⁇ is d 1 .
- Distance d 1 may be selected to mate with conventional connector spacing on first electrical device 110 or may be selected to optimize the differential impedance profile.
- distance d 1 is selected to mate with a conventional connector and is disposed proximate to the centerline of module 105 .
- portions 133 of conductors S+, S ⁇ jog towards each other, culminating in a separation distance d 2 in air region 160 .
- Distance d 2 is selected to give the desired differential impedance between conductor S+ and S ⁇ , given other parameters, such as proximity to a ground conductor G.
- spacing d 2 may be chosen to provide for a constant differential impedance Z along the length of the conductor S+, S ⁇ .
- the desired differential impedance Z depends on the system impedance (e.g., first electrical device 110 ), and may be 100 ohms or some other value. Typically, a tolerance of about 5 percent is desired; however, 10 percent may be acceptable for some applications. It is this range of 10% or less that is considered substantially constant differential impedance.
- conductors S+ and S ⁇ are disposed from air region 160 towards blade 136 and portions 135 jog outward with respect to each other within frame 150 such that blades 136 are separated by a distance d 3 upon exiting frame 150 .
- Blades 136 are received in contact interfaces 141 , thereby providing electrical connection between first section 101 and second section 102 .
- contact interfaces 141 travel from air region 160 towards frame 152 , contact interfaces 141 jog outwardly with respect to each other, culminating in connection pins 142 separated by a distance of d 4 .
- connection pins 142 are disposed proximate to the centerline of frame 152 to mate with conventional connector spacing.
- FIG. 9 is a perspective view of conductors 130 .
- conductors 130 jog, either inward or outward to maintain a substantially constant differential impedance profile and to mate with connectors on first electrical device 110 .
- FIG. 10 is a perspective view of conductor 140 .
- conductor 140 jogs, either inward or outward to maintain a substantially constant differential impedance profile and to mate with connectors on second electrical device 112 .
- conductors 130 and 140 are disposed along a centerline of frames 150 , 152 , respectively.
- contact interface 141 provides impedance matching of connector 100 to electrical devices 110 , 112 .
- One contact interface design (not shown) includes a single or bifurcated contact beam. This design is easy to both predict and control; however, one potential liability is that single beams can be difficult to design to have adequate reliability. Further, there is some concern that single beams can overstress some attachments such as ball grid arrays.
- FIG. 10 is another design that includes two single beam contacts 149 , one beam contact 149 on each side of blade 136 .
- This design may provide reduced cross talk performance, because each single beam contact 149 is further away from its adjacent contact. Also, this design may provide increased contact reliability, because it is a “true” dual contact. This design may also reduce the tight tolerance requirements for the positioning of the contacts and forming of the contacts.
- FIG. 11 is a perspective view of a portion of another embodiment of a right angle electrical connector 1100 .
- conductors 130 are disposed from a first plane to a second plane that is orthogonal to the first plane.
- Distance D between adjacent conductors 130 remains substantially constant, even though the width of conductor 130 may vary and even though the path of conductor 130 may be circuitous.
- This substantially constant gap D provides a substantially constant differential impedance between adjacent conductors.
- FIG. 12 is a perspective view of another embodiment of a right angle electrical connector 1200 . As shown in FIG. 12, modules 1210 are disposed in a frame 1220 to provide proper spacing between adjacent modules 1210 .
- FIG. 13 is a perspective view of an alternate second section 102 ′ of a right angle electrical connector.
- second section comprises a frame 190 to provide proper spacing between connection pins 142 ′.
- Frame 190 comprises recesses, in which conductors 140 ′ are secured.
- Each conductor 140 ′ comprises a contact interface 141 ′ and a connection pin 142 ′.
- Each contact interface 141 ′ extends from frame 190 for connection to a blade 136 of first section 101 .
- Each contact interface 140 ′ is also electrically connected to a connection pin 142 ′ that extends from frame 190 for electrical connection to second electrical device 112 .
- Second section 102 ′ may be assemble via a stitching process.
- connector 100 may be manufactured by the method as illustrated in FIG. 14 .
- conductors 130 are placed in a die blank with predetermined gaps between conductors 130 .
- polymer is injected into the die blank to form the frame of connector 100 .
- the relative position of conductors 130 are maintained by frame 150 .
- Subsequent warping and twisting caused by residual stresses can have an effect on the variability, but if well designed, the resultant frame 150 should have sufficient stability to maintain the desired gap tolerances. In this manner, gaps between conductors 130 can be controlled with variability of tenths of thousandths of an inch.
- the invention provides a high speed electrical connector wherein signal conductors of a differential signal pair have a substantially constant differential impedance along the length of the differential signal pair. Further, the invention may be applied to single ended signaling, wherein a signal conductor has a substantially constant single ended impedance along the length of the signal conductor.
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Abstract
Description
Claims (37)
Priority Applications (31)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/990,794 US6692272B2 (en) | 2001-11-14 | 2001-11-14 | High speed electrical connector |
EP02803216.7A EP1464096B1 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
EP12152113A EP2451026A3 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
PCT/US2002/036488 WO2003043138A1 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
EP12152112A EP2451025A3 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
CNB028227093A CN100483886C (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
US10/294,966 US6976886B2 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction and impedance-matching for high speed electrical connectors |
JP2003544858A JP4373215B2 (en) | 2001-11-14 | 2002-11-14 | Crosstalk reduction for electrical connectors |
CNB2006101320939A CN100536254C (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
CN2007101021058A CN101043112B (en) | 2001-11-14 | 2002-11-14 | Electrical connectors |
EP12152111A EP2451024A3 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction for electrical connectors |
CN2007101021043A CN101043111B (en) | 2001-11-14 | 2002-11-14 | Electrical connectors |
US10/634,547 US6994569B2 (en) | 2001-11-14 | 2003-08-05 | Electrical connectors having contacts that may be selectively designated as either signal or ground contacts |
US10/918,142 US7390200B2 (en) | 2001-11-14 | 2004-08-13 | High speed differential transmission structures without grounds |
US10/918,565 US6981883B2 (en) | 2001-11-14 | 2004-08-13 | Impedance control in electrical connectors |
US10/917,994 US20050170700A1 (en) | 2001-11-14 | 2004-08-13 | High speed electrical connector without ground contacts |
US10/917,918 US20050196987A1 (en) | 2001-11-14 | 2004-08-13 | High density, low noise, high speed mezzanine connector |
US11/052,167 US7114964B2 (en) | 2001-11-14 | 2005-02-07 | Cross talk reduction and impedance matching for high speed electrical connectors |
US11/087,047 US6988902B2 (en) | 2001-11-14 | 2005-03-22 | Cross-talk reduction in high speed electrical connectors |
US11/140,677 US7442054B2 (en) | 2001-11-14 | 2005-05-27 | Electrical connectors having differential signal pairs configured to reduce cross-talk on adjacent pairs |
US11/235,036 US20060019517A1 (en) | 2001-11-14 | 2005-09-26 | Impedance control in electrical connectors |
US11/274,527 US7118391B2 (en) | 2001-11-14 | 2005-11-14 | Electrical connectors having contacts that may be selectively designated as either signal or ground contacts |
US11/326,011 US7229318B2 (en) | 2001-11-14 | 2006-01-05 | Shieldless, high-speed electrical connectors |
US11/326,175 US7182643B2 (en) | 2001-11-14 | 2006-01-05 | Shieldless, high-speed electrical connectors |
US11/326,061 US7331800B2 (en) | 2001-11-14 | 2006-01-05 | Shieldless, high-speed electrical connectors |
US11/595,338 US7467955B2 (en) | 2001-11-14 | 2006-11-10 | Impedance control in electrical connectors |
US11/610,678 US7390218B2 (en) | 2001-11-14 | 2006-12-14 | Shieldless, high-speed electrical connectors |
US11/627,778 US20080214029A1 (en) | 2001-11-14 | 2007-01-26 | Shieldless, High-Speed Electrical Connectors |
US11/739,013 US7309239B2 (en) | 2001-11-14 | 2007-04-23 | High-density, low-noise, high-speed mezzanine connector |
US12/140,810 US20080248693A1 (en) | 2001-11-14 | 2008-06-17 | Shieldless, high-speed electrical connectors |
JP2008202317A JP5280128B2 (en) | 2001-11-14 | 2008-08-05 | Crosstalk reduction for electrical connectors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/990,794 US6692272B2 (en) | 2001-11-14 | 2001-11-14 | High speed electrical connector |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/155,786 Continuation-In-Part US6652318B1 (en) | 2001-11-14 | 2002-05-24 | Cross-talk canceling technique for high speed electrical connectors |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/155,786 Continuation-In-Part US6652318B1 (en) | 2001-11-14 | 2002-05-24 | Cross-talk canceling technique for high speed electrical connectors |
US10/294,966 Continuation-In-Part US6976886B2 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction and impedance-matching for high speed electrical connectors |
Publications (2)
Publication Number | Publication Date |
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US20030092291A1 US20030092291A1 (en) | 2003-05-15 |
US6692272B2 true US6692272B2 (en) | 2004-02-17 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/990,794 Expired - Lifetime US6692272B2 (en) | 2001-11-14 | 2001-11-14 | High speed electrical connector |
Country Status (2)
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US (1) | US6692272B2 (en) |
CN (3) | CN100536254C (en) |
Cited By (127)
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US20040161954A1 (en) * | 2001-07-31 | 2004-08-19 | Fci Americas Technology Inc. | Modular mezzanine connector |
US20040180562A1 (en) * | 2003-03-14 | 2004-09-16 | Alan Raistrick | Maintenance of uniform impedance profiles between adjacent contacts in high speed grid array connectors |
US20040203269A1 (en) * | 2003-04-09 | 2004-10-14 | Yazaki Corporation | Electrical connector |
US6808399B2 (en) * | 2002-12-02 | 2004-10-26 | Tyco Electronics Corporation | Electrical connector with wafers having split ground planes |
US20040235352A1 (en) * | 2003-05-22 | 2004-11-25 | Eiichiro Takemasa | Connector assembly |
US20050020109A1 (en) * | 2001-11-14 | 2005-01-27 | Alan Raistrick | Impedance control in electrical connectors |
WO2005018052A2 (en) | 2003-08-06 | 2005-02-24 | Fci Americas Technology, Inc. | Retention member for connector system |
US20050048817A1 (en) * | 2003-09-03 | 2005-03-03 | Cohen Thomas S. | High speed, high density electrical connector |
US20050048838A1 (en) * | 2003-08-29 | 2005-03-03 | Korsunsky Iosif R. | Electrical connector having circuit board modules positioned between metal stiffener and a housing |
US20050087856A1 (en) * | 2003-10-27 | 2005-04-28 | Joiner Bennett A. | Electromagnetic noise shielding in semiconductor packages using caged interconnect structures |
US20050148239A1 (en) * | 2003-09-26 | 2005-07-07 | Hull Gregory A. | Impedance mating interface for electrical connectors |
US20050159040A1 (en) * | 2002-06-11 | 2005-07-21 | Brunker David L. | Impedance-tuned terminal contact arrangement and connectors incorporating same |
US20050164555A1 (en) * | 2001-11-14 | 2005-07-28 | Fci Americas Technology, Inc. | Cross-talk reduction in high speed electrical connectors |
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Also Published As
Publication number | Publication date |
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CN100536254C (en) | 2009-09-02 |
CN101043112B (en) | 2011-08-24 |
CN101043111B (en) | 2010-10-06 |
CN1996678A (en) | 2007-07-11 |
CN101043111A (en) | 2007-09-26 |
US20030092291A1 (en) | 2003-05-15 |
CN101043112A (en) | 2007-09-26 |
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